The main cause of death is severe extra-renal complication,the duration of anuria and permanant proteinuria afterwards are the important factor influencing renal damage prognosis.

• 急性期死亡的主要原因为严重的肾外合并症；急性期少尿、无尿时间及急性期后持续蛋白尿是影响预后的主要因素。